Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
You will also need a 1/4-in. drill bit, 18-in. long, a 1-in. drill bit, a wire coat hanger or “fish” tape, a hammer drill and cold chisel if you have a brick exterior and a hacksaw blade if you have to replace an interior box.
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.